The Complexing of the Sodium Ion in Acetonitrile with Other Solvents. Investigation by the Use of a Cationsensitive Glass Electrode
- 1 July 1974
- journal article
- Published by Oxford University Press (OUP) in Bulletin of the Chemical Society of Japan
- Vol. 47 (7) , 1657-1660
- https://doi.org/10.1246/bcsj.47.1657
Abstract
The complexing of the sodium ion in acetonitrile (AN) with such solvents as methanol, water, DMF, DMA, DMSO, HMPA, and pyridine has been studied potentiometrically by using a monovalent cation-sensitive glass electrode. The reference electrode of Ag-0.005 M AgNO3(AN) and the salt bridge of 0.1 M Et4NPi(AN) were used. Mono- and di-solvated ions were formed for methanol, water, and pyridine. For DMF, DMA, DMSO, and HMPA, tri-solvated species were also formed. The formation constants for the mono-solvated sodium ion were 0.7 for pyridine, 1 for methanol, 1.8 for water, 2.5 for DMF, 5 for DMA, 6 for DMSO, and 30 for HMPA.This publication has 13 references indexed in Scilit:
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